EghtesadOnline: Republican U.S. senators John McCain and Marco Rubio won their party's nominations on Tuesday to seek re-election in Arizona and Florida in November, as both of the high profile politicians saw off insurgent challengers.

EghtesadOnline: Republican voters in Arizona and Florida are expected to pick Senators John McCain and Marco Rubio as their respective U.S. Senate nominees when they go to the polls on Tuesday, but one name not on either ballot, Donald Trump, looms large.